890342840

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^2\times {\mathrm{71}}^1\times {\mathrm{229}}^1$

素因数の和:385

約数の個数: 96

約数和(自身を含む): 2096992800

約数和(自身を除く): 1206649960

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 71, 74, 142, 148, 185, 229, 284, 296, 355, 370, 458, 568, 710, 740, 916, 1145, 1369, 1420, 1480, 1832, 2290, 2627, 2738, 2840, 4580, 5254, 5476, 6845, 8473, 9160, 10508, 10952, 13135, 13690, 16259, 16946, 21016, 26270, 27380, 32518, 33892, 42365, 52540, 54760, 65036, 67784, 81295, 84730, 97199, 105080, 130072, 162590, 169460, 194398, 313501, 325180, 338920, 388796, 485995, 601583, 627002, 650360, 777592, 971990, 1203166, 1254004, 1567505, 1943980, 2406332, 2508008, 3007915, 3135010, 3887960, 4812664, 6015830, 6270020, 12031660, 12540040, 22258571, 24063320, 44517142, 89034284, 111292855, 178068568, 222585710, 445171420, 890342840]

約数ペア:

[(1, 890342840), (2, 445171420), (4, 222585710), (5, 178068568), (8, 111292855), (10, 89034284), (20, 44517142), (37, 24063320), (40, 22258571), (71, 12540040), (74, 12031660), (142, 6270020), (148, 6015830), (185, 4812664), (229, 3887960), (284, 3135010), (296, 3007915), (355, 2508008), (370, 2406332), (458, 1943980), (568, 1567505), (710, 1254004), (740, 1203166), (916, 971990), (1145, 777592), (1369, 650360), (1420, 627002), (1480, 601583), (1832, 485995), (2290, 388796), (2627, 338920), (2738, 325180), (2840, 313501), (4580, 194398), (5254, 169460), (5476, 162590), (6845, 130072), (8473, 105080), (9160, 97199), (10508, 84730), (10952, 81295), (13135, 67784), (13690, 65036), (16259, 54760), (16946, 52540), (21016, 42365), (26270, 33892), (27380, 32518)]